Is hair quality and growth rate the same for everyone? No. There are ethnic, cultural and geographical aspects that cause variations in the quality and rate of hair growth. DHI Mexico2018-02-14T23:49:03+00:00December 5th, 2017|DHI|0 Comments Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: DHI Mexico